Features: Experience ultimate comfort with these replacement memory sponge fabric mesh ear pads cushions. Compatible with HD4.50BT, HD4.50BTNC, HD4.40BT, HD4.30, HD350, HD400S, and HD458BT headphones. These ear pads are durable and flexible, ensuring long-lasting comfort during extended use. Designed for music enthusiasts, gamers, office workers, and more, these ear pads offer improved sound quality and a secure, comfortable fit. Easy to install—simply replace your worn-out ear pad cushions. Specifications: Item Type: Ear Pads Material: Sponge Types: Black Protein Skin, White Protein Skin, Champagne Protein Skin, Gray Cotton Linen Cloth, Black Football Mesh, Black IceGel Compatibility: HD4.50BT, HD4.50BTNC, HD4.40BT, HD4.30, HD350, HD400S, HD458BT Headphones Size: Approx 90x75mm (3.54x2.95in) Color: Black Quantity: 2 pcs/set Note: No retail packaging included. 1 cm = 10 mm = 0.39 inch Please allow 1–3 mm variation due to manual measurement. Product color may slightly vary due to monitor display differences. Package Includes: 2 pcs Ear Pads